Client: My internet doesn’t work!

Me: Can you tell me what you see on the computer screen?

Client: It’s black!

Me: Is your computer turned on?

Client: Of course it is! the green light is on!

Me: Can you try restarting the computer?

Client: I can’t – the tower is in the shop!

Me: …

Me: So the green light is on your monitor?

Client: Yeah! My computer!